PRODUCT NAME: Naproxen EP impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NPX-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	89617-86-7
Mol. Formula	C₁₄H₁₃ClO₃
Molecular Wt	264.70
IUPAC	(2S)-2-(5-chloro-6-methoxynaphthalen-2-yl)propanoic acid
Synonyms	(αS)-5-Chloro-6-methoxy-α-methyl-2-naphthaleneacetic Acid; (S)-5-Chloro-6-methoxy-α-methyl-2-naphthaleneacetic Acid; (S)-5-Chloro Naproxen
Long Term Storage Condition	Store At 2-8°C
Handling instruction	Sample COA

Test	Results
Appearance	Light Brown Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption